Ford Mustang Forum - View Single Post - Engine and exhaust noise over speakers?
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post #5 of (permalink) Old 02-16-2018
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Joined: Dec 2015
Posts: 463
Where it comes from is every magazine article published when the S550 Mustang came out talked about the engine noise coming through the speakers on the Ecoboost Mustang. It is called the sound Symposer by Ford.

Everytime one of these threads come out there are a few folks that say they can here it but the vast majority say you have to pull the stereo fuse to kill the system before you can actually tell what the car sounds like without it. I doubt you are going to hear anything by getting closer to the speakers since it really on adds sound under load while you accelerate.

I have never been motivated to pull the fuse and I certainly could not distinguish the sounds on either my 15 or 17 Ecoboosts. On the 17 I have the FP tune which I have seen it reported that the tune turns of the Symposer but I didn't hear a difference.

Much the same with the noise cancellation that comes through the speakers. Some folks say they can tell. I have disconnected the microphone in the head liner that feeds the system and I can only tell the absence of a very low level sound when going down the road when the interior is otherwise very quiet.

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